Triple

T2743045

Position	Surface form	Disambiguated ID	Type / Status
Subject	Oakland (Pittsburgh)	`E60796`	entity
Predicate	contains	`P35`	FINISHED
Object	Carnegie Library of Pittsburgh – Main Branch The Carnegie Library of Pittsburgh – Main Branch is the flagship public library of Pittsburgh’s Carnegie Library system, renowned for its extensive collections and historic Beaux-Arts building in the city’s Oakland cultural district.	`E295327`	NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini

Instruction

Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).

Input

Phrase: Carnegie Library of Pittsburgh – Main Branch | Statement: [Oakland (Pittsburgh), contains, Carnegie Library of Pittsburgh – Main Branch]

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Carnegie Library of Pittsburgh – Main Branch
Context triple: [Oakland (Pittsburgh), contains, Carnegie Library of Pittsburgh – Main Branch]

A. Carnegie Free Library of Allegheny
The Carnegie Free Library of Allegheny is a historic public library in the former city of Allegheny (now part of Pittsburgh), Pennsylvania, funded by Andrew Carnegie as part of his widespread philanthropic support for public libraries.
B. University Park Public Library
University Park Public Library is a community library serving the residents of University Park with access to books, media, and educational resources.
C. Carnegie Museums of Pittsburgh
Carnegie Museums of Pittsburgh is a network of four major museums in Pittsburgh, Pennsylvania, known for their extensive art, science, natural history, and cultural collections and public programs.
D. Dewey Library
Dewey Library is a specialized library at the Massachusetts Institute of Technology focused on management, business, and social science resources.
E. Carnegie Museum of Art
The Carnegie Museum of Art is a major fine arts museum in Pittsburgh renowned for its extensive collection of contemporary and modern art and its influential role in American museum practice.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NEDg Description generation gpt-5.1

Instruction

Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"

Input

Entity: Carnegie Library of Pittsburgh – Main Branch
Triple: [Oakland (Pittsburgh), contains, Carnegie Library of Pittsburgh – Main Branch]

Generated description

The Carnegie Library of Pittsburgh – Main Branch is the flagship public library of Pittsburgh’s Carnegie Library system, renowned for its extensive collections and historic Beaux-Arts building in the city’s Oakland cultural district.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Carnegie Library of Pittsburgh – Main Branch
Target entity description: The Carnegie Library of Pittsburgh – Main Branch is the flagship public library of Pittsburgh’s Carnegie Library system, renowned for its extensive collections and historic Beaux-Arts building in the city’s Oakland cultural district.

A. Carnegie Free Library of Allegheny
The Carnegie Free Library of Allegheny is a historic public library in the former city of Allegheny (now part of Pittsburgh), Pennsylvania, funded by Andrew Carnegie as part of his widespread philanthropic support for public libraries.
B. University Park Public Library
University Park Public Library is a community library serving the residents of University Park with access to books, media, and educational resources.
C. Carnegie Museums of Pittsburgh
Carnegie Museums of Pittsburgh is a network of four major museums in Pittsburgh, Pennsylvania, known for their extensive art, science, natural history, and cultural collections and public programs.
D. Dewey Library
Dewey Library is a specialized library at the Massachusetts Institute of Technology focused on management, business, and social science resources.
E. Carnegie Museum of Art
The Carnegie Museum of Art is a major fine arts museum in Pittsburgh renowned for its extensive collection of contemporary and modern art and its influential role in American museum practice.
F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step	Stage	Batch ID	Status	When
creating	Elicitation	`batch_69ab4b79846081909096725374d65ce9`	completed	March 6, 2026, 9:47 p.m.
NER	Named-entity recognition	`batch_69abdb314410819095d4822f9277e6ff`	completed	March 7, 2026, 8 a.m.
NED1	Entity disambiguation (via context triple)	`batch_69afbbcca19881908b2e2eb0478c3e45`	completed	March 10, 2026, 6:35 a.m.
NEDg	Description generation	`batch_69afbc758cc48190a96f80a850316ce3`	completed	March 10, 2026, 6:38 a.m.
NED2	Entity disambiguation (via description)	`batch_69afbd7be9088190a19bed27249e95c4`	completed	March 10, 2026, 6:43 a.m.

Created at: March 6, 2026, 9:56 p.m.